Battery operated vacuum cleaner



FIG. 1 is a rear elevational view of a battery operated vacuum cleaner, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof; and

FIG. 7 is a top, front, left side perspective view thereof. 

The ornamental design for a battery operated vacuum cleaner, as shown. 